--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5579168461 dns-udp-queries-received-ipv6: 1328865090 dns-tcp-queries-received-ipv4: 310320097 dns-tcp-queries-received-ipv6: 56398093 dns-udp-responses-sent-ipv4: 5174857988 dns-udp-responses-sent-ipv6: 1300480718 dns-tcp-responses-sent-ipv4: 233755859 dns-tcp-responses-sent-ipv6: 55695226